Esempio n. 1
0
// NewWindow creates a new window for the given dimensions and title.
// The window is created via GLFW.
func NewWindow(settings WindowSettings) (*Window, error) {
	// Error callback
	glfw.SetErrorCallback(errorCallback)

	// Init glfw
	logger.Debug("Initializing GLFW")
	if !glfw.Init() {
		return nil, errors.New("Could not initialise GLFW.")
	}

	glfw.WindowHint(glfw.Samples, 4)
	glfw.WindowHint(glfw.ContextVersionMajor, 3)
	glfw.WindowHint(glfw.ContextVersionMinor, 3)
	glfw.WindowHint(glfw.OpenglForwardCompatible, glfw.True)
	glfw.WindowHint(glfw.OpenglProfile, glfw.OpenglCoreProfile)
	glfw.WindowHint(glfw.OpenglDebugContext, 1)

	var monitor *glfw.Monitor
	var err error
	if settings.Fullscreen {
		logger.Debug("Get primary monitor to create fullscreen window.")
		monitor, err = glfw.GetPrimaryMonitor()
		if err != nil {
			return nil, err
		}

		logger.Debug("Checking available video modes:")
		videoModes, err := monitor.GetVideoModes()
		if err != nil {
			return nil, err
		}

		for _, videoMode := range videoModes {
			logger.Debug(fmt.Sprintf("-- %+v", videoMode))
		}

		idealVideoMode := videoModes[len(videoModes)-1]

		settings.Width = idealVideoMode.Width
		settings.Height = idealVideoMode.Height
	}

	// Create window
	logger.Info("Creating new window")
	window, err := glfw.CreateWindow(settings.Width, settings.Height, settings.Title, monitor, nil)
	if err != nil {
		return nil, err
	}
	window.SetKeyCallback(keyCallback)
	window.MakeContextCurrent()
	window.SetInputMode(glfw.StickyKeys, 1)

	// Use vsync
	glfw.SwapInterval(1)

	w := &Window{
		window:   window,
		Settings: settings,
	}

	currentWindow = w

	return w, nil
}
Esempio n. 2
0
func CreateWindow(width, height int, name string, fullscreen bool, delegate WindowDelegate, legacy bool) error {
	if !glfw.Init() {
		return errors.New("Failed to initialize GLFW")
	}
	defer glfw.Terminate()

	glfw.WindowHint(glfw.DepthBits, 16)
	if !legacy {
		glfw.WindowHint(glfw.ContextVersionMajor, 3)
		glfw.WindowHint(glfw.ContextVersionMinor, 2)
		glfw.WindowHint(glfw.OpenglProfile, glfw.OpenglCoreProfile)
		glfw.WindowHint(glfw.OpenglForwardCompatible, 1)
	}

	var monitor *glfw.Monitor = nil
	var err error = nil
	if fullscreen {
		monitor, err = glfw.GetPrimaryMonitor()
		if err != nil {
			return err
		}

		vidModes, _ := monitor.GetVideoModes()
		maxResolution := vidModes[len(vidModes)-1]
		width = maxResolution.Width
		height = maxResolution.Height
	}
	window, err := glfw.CreateWindow(width, height, name, monitor, nil)
	if err != nil {
		return err
	}

	if fullscreen {
		window.SetInputMode(glfw.Cursor, glfw.CursorDisabled)
	}

	start := time.Now()
	last := start
	doSimulation := func() {
		now := time.Now()
		gameTime := GameTime{
			now,
			now.Sub(start),
			now.Sub(last),
		}
		delegate.Simulate(gameTime)
		last = now
	}

	bindEvents(window, &IdleSimulatorWindowDelegator{
		WindowDelegator{delegate},
		doSimulation,
	})
	window.MakeContextCurrent()
	glfw.SwapInterval(1)
	delegate.Init(window)
	frameWidth, frameHeight := window.GetFramebufferSize()
	delegate.Reshape(window, frameWidth, frameHeight)
	for !window.ShouldClose() {
		doSimulation()
		if delegate.NeedsRender() {
			delegate.Draw(window)
		}
		window.SwapBuffers()
		if delegate.IsIdle() {
			glfw.WaitEvents()
		} else {
			glfw.PollEvents()
		}
	}
	return nil
}